Burkert Type 2300 - Manual (Page 32)

32
Maintenance, cleaning
Procedure:
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Knock out dowel pin with a suitable pin punch.
Pin punch ø 4 mm, for spindle diameter 10 mm
Pin punch ø 5 mm, for spindle diameter 14 mm
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Remove control cone.
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Attach new control cone to the spindle.
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Align bores of the control cone and spindle.
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Support control cone on the cylindrical part with the aid of a
prism or something similar.
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Put on dowel pin and carefully knock in with a hammer.
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Position the dowel pin in the centre of the spindle axis.
Install the actuator (with control unit) on the valve body
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Check the graphite seal and if required, replace it.
WARNING!
Danger if incorrect lubricants used!
Unsuitable lubricant may contaminate the medium. In oxygen
applications there is a risk of an explosion!
• In specific applications, e.g. oxygen or analysis applications, use
appropriately authorised lubricants only.
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Grease nipple thread before re-installing the actuator (e.g. with
Klüber paste UH1 96-402 from Klüber).
NOTE!
Damage to the seat seal or the seat contour!
• When installing the actuator, ensure that the valve is in open
position.
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Control function A:
Without unit control: pressurize the pilot air port 1 with com-
pressed air (5 bar): valve opens.
With unit control: open the valve according to the operating
instructions for the control unit.
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Screw actuator into the valve body.
Observe tightening torque (see “Tab. 17”).
english
Type 2300